Like FM radio, the 900MHz signal travels with ease through walls, floors, ceilings and other obstacles, delivering high quality stereo sound to virtually anywhere inside the house or out. Delivering drift- and static-free reception along with outstanding range — up to 150 feet (Range may vary according to environment) — the possibilities for enjoying your AHP612 headphones are nearly unlimited. The AHP612 headphones are compatible with most audio sources, such as TVs, DVD players, VCRs, A/V rece

They provide crystal-clear sound with passive noise reduction and comfortable, custom fit. Custom Fit 6-piece fit kit with multiple silicone ear tips (S, M, L) 6-piece fit kit with multiple silicone ear tips (S, M, L) 8-piece fit kit with ultra-comfort neoprene ear tips (S, M, L), plus one set of dual flange tips for extra noise reduction Noise Isolation 16 dB 16 dB 16 dB Input Sensitivity 103 dB SPL/mW @ 1 kHz 106 dB SPL/mW @ 1 kHz 104 dB SPL/mW @ 1 kHz Impedance 17 Ohms 16 Ohms 16 Ohms Ca

They provide crystal-clear sound with passive noise reduction and comfortable, custom fit. Custom Fit 6-piece fit kit with multiple silicone ear tips (S, M, L) 6-piece fit kit with multiple silicone ear tips (S, M, L) 8-piece fit kit with ultra-comfort neoprene ear tips (S, M, L), plus one set of dual flange tips for extra noise reduction Noise Isolation 16 dB 16 dB 16 dB Input Sensitivity 103 dB SPL/mW @ 1 kHz 106 dB SPL/mW @ 1 kHz 104 dB SPL/mW @ 1 kHz Impedance 17 Ohms 16 Ohms 16 Ohms Ca

Important! For best sound quality, it is imperative to select the appropriate ear tips that provide you a snug ear fit. Ear tips that are too small or are not firmly inserted in the ear canal will yield a poor acoustic seal and result in reduced frequency response (bass). Wearing: The earphones can be worn with the cable over the ear or with the cable straight down. For slimmest profile and most secure fit during exercise we recommend the over-the-ear wearing style. Ensure that the earphone mark